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openldap/servers/slapd/overlays/dynlist.c
Quanah Gibson-Mount 58c978825c Issue#9020 - Use consistent namespaces for overlays
2020-06-22 20:44:12 +00:00

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/* dynlist.c - dynamic list overlay */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2003-2020 The OpenLDAP Foundation.
* Portions Copyright 2004-2005 Pierangelo Masarati.
* Portions Copyright 2008 Emmanuel Dreyfus.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Pierangelo Masarati
* for SysNet s.n.c., for inclusion in OpenLDAP Software.
*/
#include "portable.h"
#ifdef SLAPD_OVER_DYNLIST
#if SLAPD_OVER_DYNGROUP != SLAPD_MOD_STATIC
#define TAKEOVER_DYNGROUP
#endif
#include <stdio.h>
#include <ac/string.h>
#include "slap.h"
#include "config.h"
#include "lutil.h"
static AttributeDescription *ad_dgIdentity, *ad_dgAuthz;
typedef struct dynlist_map_t {
AttributeDescription *dlm_member_ad;
AttributeDescription *dlm_mapped_ad;
AttributeDescription *dlm_memberOf_ad;
struct dynlist_map_t *dlm_next;
} dynlist_map_t;
typedef struct dynlist_info_t {
ObjectClass *dli_oc;
AttributeDescription *dli_ad;
struct dynlist_map_t *dli_dlm;
struct berval dli_uri;
LDAPURLDesc *dli_lud;
struct berval dli_uri_nbase;
Filter *dli_uri_filter;
struct berval dli_default_filter;
struct dynlist_info_t *dli_next;
} dynlist_info_t;
typedef struct dynlist_gen_t {
dynlist_info_t *dlg_dli;
int *dlg_memberOf;
} dynlist_gen_t;
#define DYNLIST_HAS_MEMBEROF 1
#define DYNLIST_USAGE \
"\"dynlist-attrset <oc> [uri] <URL-ad> [[<mapped-ad>:]<member-ad>[@<memberOf-ad>] ...]\": "
static int
ad_infilter( AttributeDescription *ad, Filter *f )
{
if ( !f )
return 0;
switch( f->f_choice & SLAPD_FILTER_MASK ) {
case SLAPD_FILTER_COMPUTED:
return 0;
case LDAP_FILTER_PRESENT:
return f->f_desc == ad;
case LDAP_FILTER_EQUALITY:
case LDAP_FILTER_GE:
case LDAP_FILTER_LE:
case LDAP_FILTER_APPROX:
case LDAP_FILTER_SUBSTRINGS:
case LDAP_FILTER_EXT:
return f->f_av_desc == ad;
case LDAP_FILTER_AND:
case LDAP_FILTER_OR:
case LDAP_FILTER_NOT: {
for ( f = f->f_list; f; f = f->f_next )
if ( ad_infilter( ad, f ))
return 1;
}
}
return 0;
}
static int
dynlist_make_filter( Operation *op, Entry *e, dynlist_info_t *dli, const char *url, struct berval *oldf, struct berval *newf )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
char *ptr;
int needBrackets = 0;
assert( oldf != NULL );
assert( newf != NULL );
assert( !BER_BVISNULL( oldf ) );
assert( !BER_BVISEMPTY( oldf ) );
if ( oldf->bv_val[0] != '(' ) {
Debug( LDAP_DEBUG_ANY, "%s: dynlist, DN=\"%s\": missing parentheses in URI=\"%s\" filter\n",
op->o_log_prefix, e->e_name.bv_val, url );
needBrackets = 2;
}
newf->bv_len = STRLENOF( "(&(!(objectClass=" "))" ")" )
+ dli->dli_oc->soc_cname.bv_len + oldf->bv_len + needBrackets;
newf->bv_val = op->o_tmpalloc( newf->bv_len + 1, op->o_tmpmemctx );
if ( newf->bv_val == NULL ) {
return -1;
}
ptr = lutil_strcopy( newf->bv_val, "(&(!(objectClass=" );
ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
ptr = lutil_strcopy( ptr, "))" );
if ( needBrackets ) *ptr++ = '(';
ptr = lutil_strcopy( ptr, oldf->bv_val );
if ( needBrackets ) *ptr++ = ')';
ptr = lutil_strcopy( ptr, ")" );
newf->bv_len = ptr - newf->bv_val;
return 0;
}
/* dynlist_sc_update() callback info set by dynlist_prepare_entry() */
typedef struct dynlist_sc_t {
dynlist_info_t *dlc_dli;
Entry *dlc_e;
} dynlist_sc_t;
static int
dynlist_sc_update( Operation *op, SlapReply *rs )
{
Entry *e;
Attribute *a;
int opattrs,
userattrs;
AccessControlState acl_state = ACL_STATE_INIT;
dynlist_sc_t *dlc;
dynlist_map_t *dlm;
if ( rs->sr_type != REP_SEARCH ) {
return 0;
}
dlc = (dynlist_sc_t *)op->o_callback->sc_private;
e = dlc->dlc_e;
assert( e != NULL );
assert( rs->sr_entry != NULL );
/* test access to entry */
if ( !access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
NULL, ACL_READ, NULL ) )
{
goto done;
}
/* if there is only one member_ad, and it's not mapped,
* consider it as old-style member listing */
dlm = dlc->dlc_dli->dli_dlm;
if ( dlm && dlm->dlm_mapped_ad == NULL && dlm->dlm_next == NULL ) {
/* if access allowed, try to add values, emulating permissive
* control to silently ignore duplicates */
if ( access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
NULL, ACL_READ, NULL ) )
{
Modification mod;
const char *text = NULL;
char textbuf[1024];
struct berval vals[ 2 ], nvals[ 2 ];
vals[ 0 ] = rs->sr_entry->e_name;
BER_BVZERO( &vals[ 1 ] );
nvals[ 0 ] = rs->sr_entry->e_nname;
BER_BVZERO( &nvals[ 1 ] );
mod.sm_op = LDAP_MOD_ADD;
mod.sm_desc = dlm->dlm_member_ad;
mod.sm_type = dlm->dlm_member_ad->ad_cname;
mod.sm_values = vals;
mod.sm_nvalues = nvals;
mod.sm_numvals = 1;
(void)modify_add_values( e, &mod, /* permissive */ 1,
&text, textbuf, sizeof( textbuf ) );
}
goto done;
}
opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
for ( a = rs->sr_entry->e_attrs; a != NULL; a = a->a_next ) {
BerVarray vals, nvals = NULL;
int i, j,
is_oc = a->a_desc == slap_schema.si_ad_objectClass;
/* if attribute is not requested, skip it */
if ( rs->sr_attrs == NULL ) {
if ( is_at_operational( a->a_desc->ad_type ) ) {
continue;
}
} else {
if ( is_at_operational( a->a_desc->ad_type ) ) {
if ( !opattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
{
continue;
}
} else {
if ( !userattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
{
continue;
}
}
}
/* test access to attribute */
if ( op->ors_attrsonly ) {
if ( !access_allowed( op, rs->sr_entry, a->a_desc, NULL,
ACL_READ, &acl_state ) )
{
continue;
}
}
/* single-value check: keep first only */
if ( is_at_single_value( a->a_desc->ad_type ) ) {
if ( attr_find( e->e_attrs, a->a_desc ) != NULL ) {
continue;
}
}
/* test access to attribute */
i = a->a_numvals;
vals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
if ( a->a_nvals != a->a_vals ) {
nvals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
}
for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
if ( is_oc ) {
ObjectClass *soc = oc_bvfind( &a->a_vals[i] );
if ( soc->soc_kind == LDAP_SCHEMA_STRUCTURAL ) {
continue;
}
}
if ( access_allowed( op, rs->sr_entry, a->a_desc,
&a->a_nvals[i], ACL_READ, &acl_state ) )
{
vals[j] = a->a_vals[i];
if ( nvals ) {
nvals[j] = a->a_nvals[i];
}
j++;
}
}
/* if access allowed, try to add values, emulating permissive
* control to silently ignore duplicates */
if ( j != 0 ) {
Modification mod;
const char *text = NULL;
char textbuf[1024];
dynlist_map_t *dlm;
AttributeDescription *ad;
BER_BVZERO( &vals[j] );
if ( nvals ) {
BER_BVZERO( &nvals[j] );
}
ad = a->a_desc;
for ( dlm = dlc->dlc_dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
if ( dlm->dlm_member_ad == a->a_desc ) {
if ( dlm->dlm_mapped_ad ) {
ad = dlm->dlm_mapped_ad;
}
break;
}
}
mod.sm_op = LDAP_MOD_ADD;
mod.sm_desc = ad;
mod.sm_type = ad->ad_cname;
mod.sm_values = vals;
mod.sm_nvalues = nvals;
mod.sm_numvals = j;
(void)modify_add_values( e, &mod, /* permissive */ 1,
&text, textbuf, sizeof( textbuf ) );
}
op->o_tmpfree( vals, op->o_tmpmemctx );
if ( nvals ) {
op->o_tmpfree( nvals, op->o_tmpmemctx );
}
}
done:;
if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
entry_free( rs->sr_entry );
rs->sr_entry = NULL;
rs->sr_flags &= ~REP_ENTRY_MASK;
}
return 0;
}
static int
dynlist_prepare_entry( Operation *op, SlapReply *rs, dynlist_info_t *dli )
{
Attribute *a, *id = NULL;
slap_callback cb = { 0 };
Operation o = *op;
struct berval *url;
Entry *e;
int opattrs,
userattrs;
dynlist_sc_t dlc = { 0 };
dynlist_map_t *dlm;
a = attrs_find( rs->sr_entry->e_attrs, dli->dli_ad );
if ( a == NULL ) {
/* FIXME: error? */
return SLAP_CB_CONTINUE;
}
opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
/* Don't generate member list if it wasn't requested */
for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
AttributeDescription *ad = dlm->dlm_mapped_ad ? dlm->dlm_mapped_ad : dlm->dlm_member_ad;
if ( userattrs || ad_inlist( ad, rs->sr_attrs )
|| ad_infilter( ad, op->ors_filter ))
break;
}
if ( dli->dli_dlm && !dlm )
return SLAP_CB_CONTINUE;
if ( ad_dgIdentity && ( id = attrs_find( rs->sr_entry->e_attrs, ad_dgIdentity ))) {
Attribute *authz = NULL;
/* if not rootdn and dgAuthz is present,
* check if user can be authorized as dgIdentity */
if ( ad_dgAuthz && !BER_BVISEMPTY( &id->a_nvals[0] ) && !be_isroot( op )
&& ( authz = attrs_find( rs->sr_entry->e_attrs, ad_dgAuthz ) ) )
{
if ( slap_sasl_matches( op, authz->a_nvals,
&o.o_ndn, &o.o_ndn ) != LDAP_SUCCESS )
{
return SLAP_CB_CONTINUE;
}
}
o.o_dn = id->a_vals[0];
o.o_ndn = id->a_nvals[0];
o.o_groups = NULL;
}
e = rs->sr_entry;
/* ensure e is modifiable, but do not replace
* sr_entry yet since we have pointers into it */
if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
e = entry_dup( rs->sr_entry );
}
dlc.dlc_e = e;
dlc.dlc_dli = dli;
cb.sc_private = &dlc;
cb.sc_response = dynlist_sc_update;
o.o_callback = &cb;
o.ors_deref = LDAP_DEREF_NEVER;
o.ors_limit = NULL;
o.ors_tlimit = SLAP_NO_LIMIT;
o.ors_slimit = SLAP_NO_LIMIT;
for ( url = a->a_nvals; !BER_BVISNULL( url ); url++ ) {
LDAPURLDesc *lud = NULL;
int i, j;
struct berval dn;
int rc;
BER_BVZERO( &o.o_req_dn );
BER_BVZERO( &o.o_req_ndn );
o.ors_filter = NULL;
o.ors_attrs = NULL;
BER_BVZERO( &o.ors_filterstr );
if ( ldap_url_parse( url->bv_val, &lud ) != LDAP_URL_SUCCESS ) {
/* FIXME: error? */
continue;
}
if ( lud->lud_host != NULL ) {
/* FIXME: host not allowed; reject as illegal? */
Debug( LDAP_DEBUG_ANY, "dynlist_prepare_entry(\"%s\"): "
"illegal URI \"%s\"\n",
e->e_name.bv_val, url->bv_val );
goto cleanup;
}
if ( lud->lud_dn == NULL ) {
/* note that an empty base is not honored in terms
* of defaultSearchBase, because select_backend()
* is not aware of the defaultSearchBase option;
* this can be useful in case of a database serving
* the empty suffix */
BER_BVSTR( &dn, "" );
} else {
ber_str2bv( lud->lud_dn, 0, 0, &dn );
}
rc = dnPrettyNormal( NULL, &dn, &o.o_req_dn, &o.o_req_ndn, op->o_tmpmemctx );
if ( rc != LDAP_SUCCESS ) {
/* FIXME: error? */
goto cleanup;
}
o.ors_scope = lud->lud_scope;
for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
if ( dlm->dlm_mapped_ad != NULL ) {
break;
}
}
if ( dli->dli_dlm && !dlm ) {
/* if ( lud->lud_attrs != NULL ),
* the URL should be ignored */
o.ors_attrs = slap_anlist_no_attrs;
} else if ( lud->lud_attrs == NULL ) {
o.ors_attrs = rs->sr_attrs;
} else {
for ( i = 0; lud->lud_attrs[i]; i++)
/* just count */ ;
o.ors_attrs = op->o_tmpcalloc( i + 1, sizeof( AttributeName ), op->o_tmpmemctx );
for ( i = 0, j = 0; lud->lud_attrs[i]; i++) {
const char *text = NULL;
ber_str2bv( lud->lud_attrs[i], 0, 0, &o.ors_attrs[j].an_name );
o.ors_attrs[j].an_desc = NULL;
(void)slap_bv2ad( &o.ors_attrs[j].an_name, &o.ors_attrs[j].an_desc, &text );
/* FIXME: ignore errors... */
if ( ad_infilter( o.ors_attrs[j].an_desc, op->ors_filter )) {
/* if referenced in filter, must retrieve */
} else if ( rs->sr_attrs == NULL ) {
if ( o.ors_attrs[j].an_desc != NULL &&
is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
{
continue;
}
} else {
if ( o.ors_attrs[j].an_desc != NULL &&
is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
{
if ( !opattrs ) {
continue;
}
if ( !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) ) {
/* lookup if mapped -- linear search,
* not very efficient unless list
* is very short */
for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
if ( dlm->dlm_member_ad == o.ors_attrs[j].an_desc ) {
break;
}
}
if ( dlm == NULL ) {
continue;
}
}
} else {
if ( !userattrs &&
o.ors_attrs[j].an_desc != NULL &&
!ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
{
/* lookup if mapped -- linear search,
* not very efficient unless list
* is very short */
for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
if ( dlm->dlm_member_ad == o.ors_attrs[j].an_desc ) {
break;
}
}
if ( dlm == NULL ) {
continue;
}
}
}
}
j++;
}
if ( j == 0 ) {
goto cleanup;
}
BER_BVZERO( &o.ors_attrs[j].an_name );
}
if ( lud->lud_filter == NULL ) {
ber_dupbv_x( &o.ors_filterstr,
&dli->dli_default_filter, op->o_tmpmemctx );
} else {
struct berval flt;
ber_str2bv( lud->lud_filter, 0, 0, &flt );
if ( dynlist_make_filter( op, rs->sr_entry, dli, url->bv_val, &flt, &o.ors_filterstr ) ) {
/* error */
goto cleanup;
}
}
o.ors_filter = str2filter_x( op, o.ors_filterstr.bv_val );
if ( o.ors_filter == NULL ) {
goto cleanup;
}
o.o_bd = select_backend( &o.o_req_ndn, 1 );
if ( o.o_bd && o.o_bd->be_search ) {
SlapReply r = { REP_SEARCH };
r.sr_attr_flags = slap_attr_flags( o.ors_attrs );
o.o_managedsait = SLAP_CONTROL_CRITICAL;
(void)o.o_bd->be_search( &o, &r );
}
cleanup:;
if ( id ) {
slap_op_groups_free( &o );
}
if ( o.ors_filter ) {
filter_free_x( &o, o.ors_filter, 1 );
}
if ( o.ors_attrs && o.ors_attrs != rs->sr_attrs
&& o.ors_attrs != slap_anlist_no_attrs )
{
op->o_tmpfree( o.ors_attrs, op->o_tmpmemctx );
}
if ( !BER_BVISNULL( &o.o_req_dn ) ) {
op->o_tmpfree( o.o_req_dn.bv_val, op->o_tmpmemctx );
}
if ( !BER_BVISNULL( &o.o_req_ndn ) ) {
op->o_tmpfree( o.o_req_ndn.bv_val, op->o_tmpmemctx );
}
assert( BER_BVISNULL( &o.ors_filterstr )
|| o.ors_filterstr.bv_val != lud->lud_filter );
op->o_tmpfree( o.ors_filterstr.bv_val, op->o_tmpmemctx );
ldap_free_urldesc( lud );
}
if ( e != rs->sr_entry ) {
rs_replace_entry( op, rs, (slap_overinst *)op->o_bd->bd_info, e );
rs->sr_flags |= REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED;
}
return SLAP_CB_CONTINUE;
}
/* dynlist_sc_compare_entry() callback set by dynlist_compare() */
typedef struct dynlist_cc_t {
slap_callback dc_cb;
# define dc_ava dc_cb.sc_private /* attr:val to compare with */
int *dc_res;
} dynlist_cc_t;
static int
dynlist_sc_compare_entry( Operation *op, SlapReply *rs )
{
if ( rs->sr_type == REP_SEARCH && rs->sr_entry != NULL ) {
dynlist_cc_t *dc = (dynlist_cc_t *)op->o_callback;
AttributeAssertion *ava = dc->dc_ava;
Attribute *a = attrs_find( rs->sr_entry->e_attrs, ava->aa_desc );
if ( a != NULL ) {
while ( LDAP_SUCCESS != attr_valfind( a,
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
&ava->aa_value, NULL, op->o_tmpmemctx )
&& (a = attrs_find( a->a_next, ava->aa_desc )) != NULL )
;
*dc->dc_res = a ? LDAP_COMPARE_TRUE : LDAP_COMPARE_FALSE;
}
}
return 0;
}
static int
dynlist_compare( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
dynlist_gen_t *dlg = (dynlist_gen_t *)on->on_bi.bi_private;
dynlist_info_t *dli = dlg->dlg_dli;
Operation o = *op;
Entry *e = NULL;
dynlist_map_t *dlm;
BackendDB *be;
int ret = SLAP_CB_CONTINUE;
if ( get_manageDSAit( op ) )
return SLAP_CB_CONTINUE;
for ( ; dli != NULL; dli = dli->dli_next ) {
for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
AttributeDescription *ad = dlm->dlm_mapped_ad ? dlm->dlm_mapped_ad : dlm->dlm_member_ad;
/* builtin dyngroup evaluator only works for DNs */
if ( ad->ad_type->sat_syntax != slap_schema.si_syn_distinguishedName )
continue;
if ( op->oq_compare.rs_ava->aa_desc == ad )
break;
}
if ( dlm ) {
/* This compare is for one of the attributes we're
* interested in. We'll use slapd's existing dyngroup
* evaluator to get the answer we want.
*/
BerVarray id = NULL, authz = NULL;
o.o_do_not_cache = 1;
if ( ad_dgIdentity && backend_attribute( &o, NULL, &o.o_req_ndn,
ad_dgIdentity, &id, ACL_READ ) == LDAP_SUCCESS )
{
/* if not rootdn and dgAuthz is present,
* check if user can be authorized as dgIdentity */
if ( ad_dgAuthz && !BER_BVISEMPTY( id ) && !be_isroot( op )
&& backend_attribute( &o, NULL, &o.o_req_ndn,
ad_dgAuthz, &authz, ACL_READ ) == LDAP_SUCCESS )
{
rs->sr_err = slap_sasl_matches( op, authz,
&o.o_ndn, &o.o_ndn );
ber_bvarray_free_x( authz, op->o_tmpmemctx );
if ( rs->sr_err != LDAP_SUCCESS ) {
goto done;
}
}
o.o_dn = *id;
o.o_ndn = *id;
o.o_groups = NULL; /* authz changed, invalidate cached groups */
}
rs->sr_err = backend_group( &o, NULL, &o.o_req_ndn,
&o.oq_compare.rs_ava->aa_value, dli->dli_oc, dli->dli_ad );
switch ( rs->sr_err ) {
case LDAP_SUCCESS:
rs->sr_err = LDAP_COMPARE_TRUE;
break;
case LDAP_NO_SUCH_OBJECT:
/* NOTE: backend_group() returns noSuchObject
* if op_ndn does not exist; however, since
* dynamic list expansion means that the
* member attribute is virtually present, the
* non-existence of the asserted value implies
* the assertion is FALSE rather than
* UNDEFINED */
rs->sr_err = LDAP_COMPARE_FALSE;
break;
}
done:;
if ( id ) ber_bvarray_free_x( id, o.o_tmpmemctx );
send_ldap_result( op, rs );
return rs->sr_err;
}
}
be = select_backend( &o.o_req_ndn, 1 );
if ( !be || !be->be_search ) {
return SLAP_CB_CONTINUE;
}
if ( overlay_entry_get_ov( &o, &o.o_req_ndn, NULL, NULL, 0, &e, on ) !=
LDAP_SUCCESS || e == NULL )
{
return SLAP_CB_CONTINUE;
}
/* check for dynlist objectClass; done if not found */
dli = (dynlist_info_t *)dlg->dlg_dli;
while ( dli != NULL && !is_entry_objectclass_or_sub( e, dli->dli_oc ) ) {
dli = dli->dli_next;
}
if ( dli == NULL ) {
goto release;
}
if ( ad_dgIdentity ) {
Attribute *id = attrs_find( e->e_attrs, ad_dgIdentity );
if ( id ) {
Attribute *authz;
/* if not rootdn and dgAuthz is present,
* check if user can be authorized as dgIdentity */
if ( ad_dgAuthz && !BER_BVISEMPTY( &id->a_nvals[0] ) && !be_isroot( op )
&& ( authz = attrs_find( e->e_attrs, ad_dgAuthz ) ) )
{
if ( slap_sasl_matches( op, authz->a_nvals,
&o.o_ndn, &o.o_ndn ) != LDAP_SUCCESS )
{
goto release;
}
}
o.o_dn = id->a_vals[0];
o.o_ndn = id->a_nvals[0];
o.o_groups = NULL;
}
}
/* generate dynamic list with dynlist_response() and compare */
{
SlapReply r = { REP_SEARCH };
Attribute *a;
AttributeName an[2];
o.o_tag = LDAP_REQ_SEARCH;
o.ors_limit = NULL;
o.ors_tlimit = SLAP_NO_LIMIT;
o.ors_slimit = SLAP_NO_LIMIT;
o.ors_filterstr = *slap_filterstr_objectClass_pres;
o.ors_filter = (Filter *) slap_filter_objectClass_pres;
o.ors_scope = LDAP_SCOPE_BASE;
o.ors_deref = LDAP_DEREF_NEVER;
an[0].an_name = op->orc_ava->aa_desc->ad_cname;
an[0].an_desc = op->orc_ava->aa_desc;
BER_BVZERO( &an[1].an_name );
o.ors_attrs = an;
o.ors_attrsonly = 0;
r.sr_entry = e;
r.sr_attrs = an;
o.o_acl_priv = ACL_COMPARE;
dynlist_prepare_entry( &o, &r, dli );
a = attrs_find( r.sr_entry->e_attrs, op->orc_ava->aa_desc );
ret = LDAP_NO_SUCH_ATTRIBUTE;
for ( ; a ; a = attrs_find( a->a_next, op->orc_ava->aa_desc )) {
ret = LDAP_COMPARE_FALSE;
if ( attr_valfind( a,
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
&op->orc_ava->aa_value, NULL, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
ret = LDAP_COMPARE_TRUE;
break;
}
}
rs->sr_err = ret;
if ( r.sr_entry != e )
entry_free( r.sr_entry );
send_ldap_result( op, rs );
}
release:;
if ( e != NULL ) {
overlay_entry_release_ov( &o, e, 0, on );
}
return ret;
}
typedef struct dynlist_name_t {
struct berval dy_name;
dynlist_info_t *dy_dli;
int dy_seen;
int dy_numuris;
LDAPURLDesc *dy_uris[];
} dynlist_name_t;
typedef struct dynlist_search_t {
TAvlnode *ds_names;
dynlist_info_t *ds_dli;
Filter *ds_origfilter;
struct berval ds_origfilterbv;
int ds_memberOf;
} dynlist_search_t;
static int
dynlist_avl_cmp( const void *c1, const void *c2 )
{
const dynlist_name_t *n1, *n2;
int rc;
n1 = c1; n2 = c2;
rc = n1->dy_name.bv_len - n2->dy_name.bv_len;
if ( rc ) return rc;
return ber_bvcmp( &n1->dy_name, &n2->dy_name );
}
/* build a list of dynamic entries */
static int
dynlist_search1resp( Operation *op, SlapReply *rs )
{
if ( rs->sr_type == REP_SEARCH && rs->sr_entry != NULL ) {
dynlist_search_t *ds = op->o_callback->sc_private;
Attribute *a = attr_find( rs->sr_entry->e_attrs, ds->ds_dli->dli_ad );
if ( a ) {
dynlist_name_t *dyn = ch_calloc(1, sizeof(dynlist_name_t)+rs->sr_entry->e_nname.bv_len + 1+
(a->a_numvals * sizeof(LDAPURLDesc *)));
struct berval bv, nbase;
LDAPURLDesc *ludp;
int i, j;
dyn->dy_name.bv_val = ((char *)(dyn+1)) + (a->a_numvals * sizeof(LDAPURLDesc *));
dyn->dy_dli = ds->ds_dli;
dyn->dy_name.bv_len = rs->sr_entry->e_nname.bv_len;
/* parse and validate the URIs */
for (i=0, j=0; i<a->a_numvals; i++) {
if (ldap_url_parse( a->a_vals[i].bv_val, &ludp ) != LDAP_URL_SUCCESS )
continue;
if (( ludp->lud_host && *ludp->lud_host)
|| ludp->lud_exts ) {
skipit:
ldap_free_urldesc( ludp );
continue;
}
ber_str2bv( ludp->lud_dn, 0, 0, &bv );
if ( dnNormalize( 0, NULL, NULL, &bv, &nbase, op->o_tmpmemctx ) != LDAP_SUCCESS )
goto skipit;
ldap_memfree( ludp->lud_dn );
ludp->lud_dn = ldap_strdup( nbase.bv_val );
op->o_tmpfree( nbase.bv_val, op->o_tmpmemctx );
/* cheat here, reuse fields */
ludp->lud_port = nbase.bv_len;
if ( ludp->lud_filter && *ludp->lud_filter ) {
Filter *f = str2filter( ludp->lud_filter );
if ( f == NULL )
goto skipit;
ldap_memfree( ludp->lud_filter );
ludp->lud_filter = (char *)f;
}
dyn->dy_uris[j] = ludp;
j++;
}
dyn->dy_numuris = j;
memcpy(dyn->dy_name.bv_val, rs->sr_entry->e_nname.bv_val, rs->sr_entry->e_nname.bv_len );
if ( tavl_insert( &ds->ds_names, dyn, dynlist_avl_cmp, avl_dup_error )) {
for (i=dyn->dy_numuris-1; i>=0; i--) {
ludp = dyn->dy_uris[i];
if ( ludp->lud_filter ) {
filter_free( (Filter *)ludp->lud_filter );
ludp->lud_filter = NULL;
}
ldap_free_urldesc( ludp );
}
ch_free( dyn );
}
}
}
return 0;
}
/* replace a filter clause (memberOf=<groupDN>) with an expansion of
* (&(entryDN=<groupURIbase>)<groupURIfilter>)
*/
static int
dynlist_filter_group( Operation *op, Filter *f, Filter *n, AttributeDescription *uri )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
Entry *e;
Attribute *a;
Filter *andf = NULL, *dnf, *urif, *orf = NULL;
LDAPURLDesc *ludp;
struct berval bv, nbase;
int i;
if ( overlay_entry_get_ov( op, &f->f_av_value, NULL, NULL, 0, &e, on ) !=
LDAP_SUCCESS || e == NULL ) {
return -1;
}
a = attr_find( e->e_attrs, uri );
if ( !a ) {
overlay_entry_release_ov( op, e, 0, on );
return -1;
}
for (i=0; i<a->a_numvals; i++) {
if ( ldap_url_parse( a->a_vals[i].bv_val, &ludp ) != LDAP_URL_SUCCESS )
continue;
if (( ludp->lud_host && *ludp->lud_host )
|| ludp->lud_attrs
|| ludp->lud_exts ) {
skip:
ldap_free_urldesc( ludp );
continue;
}
ber_str2bv( ludp->lud_dn, 0, 0, &bv );
if ( dnNormalize( 0, NULL, NULL, &bv, &nbase, op->o_tmpmemctx ) != LDAP_SUCCESS )
goto skip;
if ( ludp->lud_filter && *ludp->lud_filter ) {
urif = str2filter_x( op, ludp->lud_filter );
if ( urif == NULL ) {
op->o_tmpfree( nbase.bv_val, op->o_tmpmemctx );
goto skip;
}
} else {
urif = NULL;
}
if ( !andf ) {
andf = n;
} else {
if ( !orf ) {
andf = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
andf->f_choice = n->f_choice;
andf->f_list = n->f_list;
orf = n;
orf->f_choice = LDAP_FILTER_OR;
orf->f_list = andf;
}
andf->f_next = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
andf = andf->f_next;
}
dnf = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
andf->f_choice = LDAP_FILTER_AND;
andf->f_next = NULL;
andf->f_list = dnf;
dnf->f_next = urif;
if ( ludp->lud_scope == LDAP_SCOPE_BASE ) {
dnf->f_choice = LDAP_FILTER_EQUALITY;
dnf->f_ava = op->o_tmpalloc( sizeof(AttributeAssertion), op->o_tmpmemctx );
dnf->f_av_desc = slap_schema.si_ad_entryDN;
dnf->f_av_value = nbase;
} else {
dnf->f_choice = LDAP_FILTER_EXT;
dnf->f_mra = op->o_tmpcalloc( 1, sizeof(MatchingRuleAssertion), op->o_tmpmemctx );
dnf->f_mr_desc = slap_schema.si_ad_entryDN;
dnf->f_mr_value = nbase;
switch ( ludp->lud_scope ) {
case LDAP_SCOPE_ONELEVEL:
dnf->f_mr_rule = slap_schema.si_mr_dnOneLevelMatch;
break;
case LDAP_SCOPE_SUBTREE:
dnf->f_mr_rule = slap_schema.si_mr_dnSubtreeMatch;
break;
case LDAP_SCOPE_SUBORDINATE:
dnf->f_mr_rule = slap_schema.si_mr_dnSubordinateMatch;
break;
}
ber_str2bv( dnf->f_mr_rule->smr_names[0], 0, 0, &dnf->f_mr_rule_text );
}
ldap_free_urldesc( ludp );
}
overlay_entry_release_ov( op, e, 0, on );
if ( !andf )
return -1;
return 0;
}
/* Dup the filter, replacing any references to given ad with dyngroup evaluation */
static Filter *
dynlist_filter_dup( Operation *op, Filter *f, AttributeDescription *ad, AttributeDescription *uri )
{
Filter *n = NULL;
if ( !f )
return NULL;
n = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
n->f_next = NULL;
switch( f->f_choice & SLAPD_FILTER_MASK ) {
case SLAPD_FILTER_COMPUTED:
n->f_choice = f->f_choice;
n->f_result = f->f_result;
break;
case LDAP_FILTER_PRESENT:
n->f_choice = f->f_choice;
n->f_desc = f->f_desc;
break;
case LDAP_FILTER_EQUALITY:
if ( f->f_av_desc == ad && !dynlist_filter_group( op, f, n, uri ))
break;
/* FALLTHRU */
case LDAP_FILTER_GE:
case LDAP_FILTER_LE:
case LDAP_FILTER_APPROX:
n->f_choice = f->f_choice;
n->f_ava = f->f_ava;
break;
case LDAP_FILTER_SUBSTRINGS:
n->f_choice = f->f_choice;
n->f_sub_initial = f->f_sub_initial;
n->f_sub_final = f->f_sub_final;
n->f_sub = f->f_sub;
break;
case LDAP_FILTER_EXT:
n->f_choice = f->f_choice;
n->f_mra = f->f_mra;
break;
case LDAP_FILTER_NOT:
case LDAP_FILTER_AND:
case LDAP_FILTER_OR: {
Filter **p;
n->f_choice = f->f_choice;
for ( p = &n->f_list, f = f->f_list; f; f = f->f_next ) {
*p = dynlist_filter_dup( op, f, ad, uri );
if ( !*p )
continue;
p = &(*p)->f_next;
}
}
break;
}
return n;
}
static void
dynlist_filter_free( Operation *op, Filter *f )
{
Filter *p, *next;
if ( f == NULL )
return;
f->f_choice &= SLAPD_FILTER_MASK;
switch( f->f_choice ) {
case LDAP_FILTER_AND:
case LDAP_FILTER_OR:
case LDAP_FILTER_NOT:
for ( p = f->f_list; p; p = next ) {
next = p->f_next;
op->o_tmpfree( p, op->o_tmpmemctx );
}
break;
default:
op->o_tmpfree( f, op->o_tmpmemctx );
}
}
static void
dynlist_search_free( void *ptr )
{
dynlist_name_t *dyn = (dynlist_name_t *)ptr;
LDAPURLDesc *ludp;
int i;
for (i=dyn->dy_numuris-1; i>=0; i--) {
ludp = dyn->dy_uris[i];
if ( ludp->lud_filter ) {
filter_free( (Filter *)ludp->lud_filter );
ludp->lud_filter = NULL;
}
ldap_free_urldesc( ludp );
}
ch_free( ptr );
}
static int
dynlist_search_cleanup( Operation *op, SlapReply *rs )
{
if ( rs->sr_type == REP_RESULT || op->o_abandon ||
rs->sr_err == SLAPD_ABANDON ) {
slap_callback *sc = op->o_callback;
dynlist_search_t *ds = op->o_callback->sc_private;
tavl_free( ds->ds_names, dynlist_search_free );
if ( ds->ds_origfilter ) {
op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
dynlist_filter_free( op, op->ors_filter );
op->ors_filter = ds->ds_origfilter;
op->ors_filterstr = ds->ds_origfilterbv;
}
op->o_callback = sc->sc_next;
op->o_tmpfree( sc, op->o_tmpmemctx );
}
return 0;
}
static int
dynlist_testurl(Operation *op, dynlist_name_t *dyn, Entry *e)
{
LDAPURLDesc *ludp;
struct berval nbase, bv;
int i, rc = LDAP_COMPARE_FALSE;
for (i=0; i<dyn->dy_numuris; i++) {
ludp = dyn->dy_uris[i];
nbase.bv_val = ludp->lud_dn;
nbase.bv_len = ludp->lud_port;
if ( ludp->lud_attrs )
continue;
switch( ludp->lud_scope ) {
case LDAP_SCOPE_BASE:
if ( !dn_match( &nbase, &e->e_nname ))
continue;
break;
case LDAP_SCOPE_ONELEVEL:
dnParent( &e->e_nname, &bv );
if ( !dn_match( &nbase, &bv ))
continue;
break;
case LDAP_SCOPE_SUBTREE:
if ( !dnIsSuffix( &e->e_nname, &nbase ))
continue;
break;
case LDAP_SCOPE_SUBORDINATE:
if ( dn_match( &nbase, &e->e_nname ) ||
!dnIsSuffix( &e->e_nname, &nbase ))
continue;
break;
}
if ( !ludp->lud_filter ) /* there really should always be a filter */
rc = LDAP_COMPARE_TRUE;
else
rc = test_filter( op, e, (Filter *)ludp->lud_filter );
if ( rc == LDAP_COMPARE_TRUE )
break;
}
return rc;
}
/* process the search responses */
static int
dynlist_search2resp( Operation *op, SlapReply *rs )
{
dynlist_search_t *ds = op->o_callback->sc_private;
dynlist_name_t *dyn;
int rc;
if ( rs->sr_type == REP_SEARCH && rs->sr_entry != NULL ) {
/* See if this is one of our dynamic entries */
dyn = tavl_find( ds->ds_names, &rs->sr_entry->e_nname, dynlist_avl_cmp );
if ( dyn ) {
Entry *e = rs->sr_entry;
dyn->dy_seen = 1;
rc = dynlist_prepare_entry( op, rs, dyn->dy_dli );
if ( ds->ds_origfilter && test_filter( op, rs->sr_entry, ds->ds_origfilter ) != LDAP_COMPARE_TRUE ) {
if ( e != rs->sr_entry )
rs_flush_entry( op, rs, NULL );
rc = LDAP_SUCCESS;
}
return rc;
} else if ( ds->ds_memberOf ) {
TAvlnode *ptr;
Entry *e = rs->sr_entry;
/* See if there are any memberOf values to attach to this entry */
for ( ptr = tavl_end( ds->ds_names, TAVL_DIR_LEFT ); ptr;
ptr = tavl_next( ptr, TAVL_DIR_RIGHT )) {
dynlist_map_t *dlm;
dyn = ptr->avl_data;
for ( dlm = dyn->dy_dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
if ( dlm->dlm_memberOf_ad ) {
if ( dynlist_testurl( op, dyn, e ) == LDAP_COMPARE_TRUE ) {
/* ensure e is modifiable, but do not replace
* sr_entry yet since we have pointers into it */
if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) && e == rs->sr_entry ) {
e = entry_dup( rs->sr_entry );
}
attr_merge_one( e, dlm->dlm_memberOf_ad, &dyn->dy_name, &dyn->dy_name );
break;
}
}
}
}
if ( e != rs->sr_entry ) {
rs_replace_entry( op, rs, (slap_overinst *)op->o_bd->bd_info, e );
rs->sr_flags |= REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED;
}
if ( ds->ds_origfilter && test_filter( op, rs->sr_entry, ds->ds_origfilter ) != LDAP_COMPARE_TRUE ) {
rs_flush_entry( op, rs, NULL );
return LDAP_SUCCESS;
}
}
} else if ( rs->sr_type == REP_RESULT && rs->sr_err == LDAP_SUCCESS ) {
TAvlnode *ptr;
SlapReply r = *rs;
/* Check for any unexpanded dynamic group entries that weren't picked up
* by the original search filter.
*/
for ( ptr = tavl_end( ds->ds_names, TAVL_DIR_LEFT ); ptr;
ptr = tavl_next( ptr, TAVL_DIR_RIGHT )) {
dyn = ptr->avl_data;
if ( dyn->dy_seen )
continue;
if ( !dnIsSuffixScope( &dyn->dy_name, &op->o_req_ndn, op->ors_scope ))
continue;
if ( overlay_entry_get_ov( op, &dyn->dy_name, NULL, NULL, 0, &r.sr_entry, (slap_overinst *)op->o_bd->bd_info ) != LDAP_SUCCESS ||
r.sr_entry == NULL )
continue;
r.sr_flags = REP_ENTRY_MUSTRELEASE;
dynlist_prepare_entry( op, &r, dyn->dy_dli );
if ( test_filter( op, r.sr_entry, op->ors_filter ) == LDAP_COMPARE_TRUE ) {
r.sr_attrs = op->ors_attrs;
rs->sr_err = send_search_entry( op, &r );
if ( rs->sr_err != LDAP_SUCCESS )
break;
} else {
rs_flush_entry( op, &r, NULL );
}
}
rs->sr_nentries = r.sr_nentries;
}
return SLAP_CB_CONTINUE;
}
static void
dynlist_fix_filter( Operation *op, AttributeDescription *ad, dynlist_search_t *ds )
{
Filter *f;
f = dynlist_filter_dup( op, op->ors_filter, ad, ds->ds_dli->dli_ad );
if ( ds->ds_origfilter ) {
dynlist_filter_free( op, op->ors_filter );
op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
} else {
ds->ds_origfilter = op->ors_filter;
ds->ds_origfilterbv = op->ors_filterstr;
}
op->ors_filter = f;
filter2bv_x( op, f, &op->ors_filterstr );
}
static int
dynlist_search( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
dynlist_gen_t *dlg = (dynlist_gen_t *)on->on_bi.bi_private;
dynlist_info_t *dli;
Operation o = *op;
dynlist_map_t *dlm;
Filter f;
AttributeAssertion ava;
AttributeName an[2] = {0};
slap_callback *sc;
dynlist_search_t *ds;
if ( get_manageDSAit( op ) )
return SLAP_CB_CONTINUE;
sc = op->o_tmpcalloc( 1, sizeof(slap_callback)+sizeof(dynlist_search_t), op->o_tmpmemctx );
sc->sc_private = (void *)(sc+1);
ds = sc->sc_private;
ds->ds_memberOf = 0;
f.f_choice = LDAP_FILTER_EQUALITY;
f.f_ava = &ava;
f.f_av_desc = slap_schema.si_ad_objectClass;
f.f_next = NULL;
o.o_managedsait = SLAP_CONTROL_CRITICAL;
/* Are we using memberOf, and does it affect this request? */
if ( dlg->dlg_memberOf ) {
int attrflags = slap_attr_flags( op->ors_attrs );
int opattrs = SLAP_OPATTRS( attrflags );
int userattrs = SLAP_USERATTRS( attrflags );
for ( dli = dlg->dlg_dli; dli; dli = dli->dli_next ) {
for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
if ( dlm->dlm_memberOf_ad ) {
/* if attribute is in filter, fix it */
if ( ad_infilter( dlm->dlm_memberOf_ad, op->ors_filter )) {
ds->ds_dli = dli;
dynlist_fix_filter( op, dlm->dlm_memberOf_ad, ds );
}
/* if attribute is not requested, skip it */
if ( op->ors_attrs == NULL ) {
if ( is_at_operational( dlm->dlm_memberOf_ad->ad_type ) ) {
continue;
}
} else {
if ( is_at_operational( dlm->dlm_memberOf_ad->ad_type ) ) {
if ( !opattrs && !ad_inlist( dlm->dlm_memberOf_ad, op->ors_attrs ) )
{
continue;
}
} else {
if ( !userattrs && !ad_inlist( dlm->dlm_memberOf_ad, op->ors_attrs ) )
{
continue;
}
}
}
ds->ds_memberOf = 1;
}
}
}
}
/* Find all dyngroups in scope. For group expansion
* we only need the groups within the search scope, but
* for memberOf populating, we need all dyngroups.
*/
for ( dli = dlg->dlg_dli; dli != NULL; dli = dli->dli_next ) {
if ( o.o_callback != sc ) {
o.o_callback = sc;
o.ors_filter = &f;
if ( ds->ds_memberOf ) {
o.o_req_dn = op->o_bd->be_suffix[0];
o.o_req_ndn = op->o_bd->be_nsuffix[0];
o.ors_scope = LDAP_SCOPE_SUBTREE;
} else {
o.o_req_dn = op->o_req_dn;
o.o_req_ndn = op->o_req_ndn;
o.ors_scope = op->ors_scope;
}
o.ors_attrsonly = 0;
o.ors_attrs = an;
o.o_bd = select_backend( op->o_bd->be_nsuffix, 1 );
BER_BVZERO( &o.ors_filterstr );
sc->sc_response = dynlist_search1resp;
}
ds->ds_dli = dli;
f.f_av_value = dli->dli_oc->soc_cname;
if ( o.ors_filterstr.bv_val )
o.o_tmpfree( o.ors_filterstr.bv_val, o.o_tmpmemctx );
filter2bv_x( &o, &f, &o.ors_filterstr );
an[0].an_desc = dli->dli_ad;
an[0].an_name = dli->dli_ad->ad_cname;
{
SlapReply r = { REP_SEARCH };
(void)o.o_bd->be_search( &o, &r );
}
}
if ( ds->ds_names != NULL ) {
sc->sc_response = dynlist_search2resp;
sc->sc_cleanup = dynlist_search_cleanup;
sc->sc_next = op->o_callback;
op->o_callback = sc;
} else {
op->o_tmpfree( sc, op->o_tmpmemctx );
}
return SLAP_CB_CONTINUE;
}
static int
dynlist_build_def_filter( dynlist_info_t *dli )
{
char *ptr;
dli->dli_default_filter.bv_len = STRLENOF( "(!(objectClass=" "))" )
+ dli->dli_oc->soc_cname.bv_len;
dli->dli_default_filter.bv_val = ch_malloc( dli->dli_default_filter.bv_len + 1 );
if ( dli->dli_default_filter.bv_val == NULL ) {
Debug( LDAP_DEBUG_ANY, "dynlist_db_open: malloc failed.\n" );
return -1;
}
ptr = lutil_strcopy( dli->dli_default_filter.bv_val, "(!(objectClass=" );
ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
ptr = lutil_strcopy( ptr, "))" );
assert( ptr == &dli->dli_default_filter.bv_val[dli->dli_default_filter.bv_len] );
return 0;
}
enum {
DL_ATTRSET = 1,
DL_ATTRPAIR,
DL_ATTRPAIR_COMPAT,
DL_LAST
};
static ConfigDriver dl_cfgen;
/* XXXmanu 255 is the maximum arguments we allow. Can we go beyond? */
static ConfigTable dlcfg[] = {
{ "dynlist-attrset", "group-oc> [uri] <URL-ad> <[mapped:]member-ad> [...]",
3, 0, 0, ARG_MAGIC|DL_ATTRSET, dl_cfgen,
"( OLcfgOvAt:8.1 NAME ( 'olcDynListAttrSet' 'olcDlAttrSet' ) "
"DESC 'Dynamic list: <group objectClass>, <URL attributeDescription>, <member attributeDescription>' "
"EQUALITY caseIgnoreMatch "
"SYNTAX OMsDirectoryString "
"X-ORDERED 'VALUES' )",
NULL, NULL },
{ "dynlist-attrpair", "member-ad> <URL-ad",
3, 3, 0, ARG_MAGIC|DL_ATTRPAIR, dl_cfgen,
NULL, NULL, NULL },
#ifdef TAKEOVER_DYNGROUP
{ "attrpair", "member-ad> <URL-ad",
3, 3, 0, ARG_MAGIC|DL_ATTRPAIR_COMPAT, dl_cfgen,
NULL, NULL, NULL },
#endif
{ NULL, NULL, 0, 0, 0, ARG_IGNORED }
};
static ConfigOCs dlocs[] = {
{ "( OLcfgOvOc:8.1 "
"NAME ( 'olcDynListConfig' 'olcDynamicList' ) "
"DESC 'Dynamic list configuration' "
"SUP olcOverlayConfig "
"MAY olcDynListAttrSet )",
Cft_Overlay, dlcfg, NULL, NULL },
{ NULL, 0, NULL }
};
static int
dl_cfgen( ConfigArgs *c )
{
slap_overinst *on = (slap_overinst *)c->bi;
dynlist_gen_t *dlg = (dynlist_gen_t *)on->on_bi.bi_private;
dynlist_info_t *dli = dlg->dlg_dli;
int rc = 0, i;
if ( c->op == SLAP_CONFIG_EMIT ) {
switch( c->type ) {
case DL_ATTRSET:
for ( i = 0; dli; i++, dli = dli->dli_next ) {
struct berval bv;
char *ptr = c->cr_msg;
dynlist_map_t *dlm;
assert( dli->dli_oc != NULL );
assert( dli->dli_ad != NULL );
/* FIXME: check buffer overflow! */
ptr += snprintf( c->cr_msg, sizeof( c->cr_msg ),
SLAP_X_ORDERED_FMT "%s", i,
dli->dli_oc->soc_cname.bv_val );
if ( !BER_BVISNULL( &dli->dli_uri ) ) {
*ptr++ = ' ';
*ptr++ = '"';
ptr = lutil_strncopy( ptr, dli->dli_uri.bv_val,
dli->dli_uri.bv_len );
*ptr++ = '"';
}
*ptr++ = ' ';
ptr = lutil_strncopy( ptr, dli->dli_ad->ad_cname.bv_val,
dli->dli_ad->ad_cname.bv_len );
for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
ptr[ 0 ] = ' ';
ptr++;
if ( dlm->dlm_mapped_ad ) {
ptr = lutil_strcopy( ptr, dlm->dlm_mapped_ad->ad_cname.bv_val );
ptr[ 0 ] = ':';
ptr++;
}
ptr = lutil_strcopy( ptr, dlm->dlm_member_ad->ad_cname.bv_val );
if ( dlm->dlm_memberOf_ad ) {
*ptr++ = '@';
ptr = lutil_strcopy( ptr, dlm->dlm_memberOf_ad->ad_cname.bv_val );
}
}
bv.bv_val = c->cr_msg;
bv.bv_len = ptr - bv.bv_val;
value_add_one( &c->rvalue_vals, &bv );
}
break;
case DL_ATTRPAIR_COMPAT:
case DL_ATTRPAIR:
rc = 1;
break;
default:
rc = 1;
break;
}
return rc;
} else if ( c->op == LDAP_MOD_DELETE ) {
switch( c->type ) {
case DL_ATTRSET:
if ( c->valx < 0 ) {
dynlist_info_t *dli_next;
for ( dli_next = dli; dli_next; dli = dli_next ) {
dynlist_map_t *dlm = dli->dli_dlm;
dynlist_map_t *dlm_next;
dli_next = dli->dli_next;
if ( !BER_BVISNULL( &dli->dli_uri ) ) {
ch_free( dli->dli_uri.bv_val );
}
if ( dli->dli_lud != NULL ) {
ldap_free_urldesc( dli->dli_lud );
}
if ( !BER_BVISNULL( &dli->dli_uri_nbase ) ) {
ber_memfree( dli->dli_uri_nbase.bv_val );
}
if ( dli->dli_uri_filter != NULL ) {
filter_free( dli->dli_uri_filter );
}
ch_free( dli->dli_default_filter.bv_val );
while ( dlm != NULL ) {
dlm_next = dlm->dlm_next;
ch_free( dlm );
dlm = dlm_next;
}
ch_free( dli );
}
dlg->dlg_dli = NULL;
dlg->dlg_memberOf = 0;
} else {
dynlist_info_t **dlip;
dynlist_map_t *dlm;
dynlist_map_t *dlm_next;
for ( i = 0, dlip = (dynlist_info_t **)&dlg->dlg_dli;
i < c->valx; i++ )
{
if ( *dlip == NULL ) {
return 1;
}
dlip = &(*dlip)->dli_next;
}
dli = *dlip;
*dlip = dli->dli_next;
if ( !BER_BVISNULL( &dli->dli_uri ) ) {
ch_free( dli->dli_uri.bv_val );
}
if ( dli->dli_lud != NULL ) {
ldap_free_urldesc( dli->dli_lud );
}
if ( !BER_BVISNULL( &dli->dli_uri_nbase ) ) {
ber_memfree( dli->dli_uri_nbase.bv_val );
}
if ( dli->dli_uri_filter != NULL ) {
filter_free( dli->dli_uri_filter );
}
ch_free( dli->dli_default_filter.bv_val );
dlm = dli->dli_dlm;
while ( dlm != NULL ) {
dlm_next = dlm->dlm_next;
if ( dlm->dlm_memberOf_ad )
dlg->dlg_memberOf--;
ch_free( dlm );
dlm = dlm_next;
}
ch_free( dli );
dli = (dynlist_info_t *)dlg->dlg_dli;
}
break;
case DL_ATTRPAIR_COMPAT:
case DL_ATTRPAIR:
rc = 1;
break;
default:
rc = 1;
break;
}
return rc;
}
switch( c->type ) {
case DL_ATTRSET: {
dynlist_info_t **dlip,
*dli_next = NULL;
ObjectClass *oc = NULL;
AttributeDescription *ad = NULL;
int attridx = 2;
LDAPURLDesc *lud = NULL;
struct berval nbase = BER_BVNULL;
Filter *filter = NULL;
struct berval uri = BER_BVNULL;
dynlist_map_t *dlm = NULL, *dlml = NULL;
const char *text;
oc = oc_find( c->argv[ 1 ] );
if ( oc == NULL ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
"unable to find ObjectClass \"%s\"",
c->argv[ 1 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
return 1;
}
if ( strncasecmp( c->argv[ attridx ], "ldap://", STRLENOF("ldap://") ) == 0 ) {
if ( ldap_url_parse( c->argv[ attridx ], &lud ) != LDAP_URL_SUCCESS ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
"unable to parse URI \"%s\"",
c->argv[ attridx ] );
rc = 1;
goto done_uri;
}
if ( lud->lud_host != NULL ) {
if ( lud->lud_host[0] == '\0' ) {
ch_free( lud->lud_host );
lud->lud_host = NULL;
} else {
snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
"host not allowed in URI \"%s\"",
c->argv[ attridx ] );
rc = 1;
goto done_uri;
}
}
if ( lud->lud_attrs != NULL ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
"attrs not allowed in URI \"%s\"",
c->argv[ attridx ] );
rc = 1;
goto done_uri;
}
if ( lud->lud_exts != NULL ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
"extensions not allowed in URI \"%s\"",
c->argv[ attridx ] );
rc = 1;
goto done_uri;
}
if ( lud->lud_dn != NULL && lud->lud_dn[ 0 ] != '\0' ) {
struct berval dn;
ber_str2bv( lud->lud_dn, 0, 0, &dn );
rc = dnNormalize( 0, NULL, NULL, &dn, &nbase, NULL );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
"DN normalization failed in URI \"%s\"",
c->argv[ attridx ] );
goto done_uri;
}
}
if ( lud->lud_filter != NULL && lud->lud_filter[ 0 ] != '\0' ) {
filter = str2filter( lud->lud_filter );
if ( filter == NULL ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
"filter parsing failed in URI \"%s\"",
c->argv[ attridx ] );
rc = 1;
goto done_uri;
}
}
ber_str2bv( c->argv[ attridx ], 0, 1, &uri );
done_uri:;
if ( rc ) {
if ( lud ) {
ldap_free_urldesc( lud );
}
if ( !BER_BVISNULL( &nbase ) ) {
ber_memfree( nbase.bv_val );
}
if ( filter != NULL ) {
filter_free( filter );
}
while ( dlm != NULL ) {
dlml = dlm;
dlm = dlm->dlm_next;
ch_free( dlml );
}
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
return rc;
}
attridx++;
}
rc = slap_str2ad( c->argv[ attridx ], &ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
"unable to find AttributeDescription \"%s\"",
c->argv[ attridx ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
rc = 1;
goto done_uri;
}
if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
"AttributeDescription \"%s\" "
"must be a subtype of \"labeledURI\"",
c->argv[ attridx ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
rc = 1;
goto done_uri;
}
attridx++;
for ( i = attridx; i < c->argc; i++ ) {
char *arg;
char *cp;
AttributeDescription *member_ad = NULL;
AttributeDescription *mapped_ad = NULL;
AttributeDescription *memberOf_ad = NULL;
dynlist_map_t *dlmp;
/*
* If no mapped attribute is given, dn is used
* for backward compatibility.
*/
arg = c->argv[i];
if ( ( cp = strchr( arg, ':' ) ) != NULL ) {
struct berval bv;
ber_str2bv( arg, cp - arg, 0, &bv );
rc = slap_bv2ad( &bv, &mapped_ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
DYNLIST_USAGE
"unable to find mapped AttributeDescription #%d \"%s\"\n",
i - 3, c->argv[ i ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
rc = 1;
goto done_uri;
}
arg = cp + 1;
}
if ( ( cp = strchr( arg, '@' ) ) != NULL ) {
struct berval bv;
ber_str2bv( cp+1, 0, 0, &bv );
rc = slap_bv2ad( &bv, &memberOf_ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
DYNLIST_USAGE
"unable to find memberOf AttributeDescription #%d \"%s\"\n",
i - 3, c->argv[ i ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
rc = 1;
goto done_uri;
}
dlg->dlg_memberOf++;
*cp = '\0';
}
rc = slap_str2ad( arg, &member_ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
DYNLIST_USAGE
"unable to find AttributeDescription #%d \"%s\"\n",
i - 3, c->argv[ i ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
rc = 1;
goto done_uri;
}
dlmp = (dynlist_map_t *)ch_calloc( 1, sizeof( dynlist_map_t ) );
if ( dlm == NULL ) {
dlm = dlmp;
}
dlmp->dlm_member_ad = member_ad;
dlmp->dlm_mapped_ad = mapped_ad;
dlmp->dlm_memberOf_ad = memberOf_ad;
dlmp->dlm_next = NULL;
if ( dlml != NULL )
dlml->dlm_next = dlmp;
dlml = dlmp;
}
if ( c->valx > 0 ) {
int i;
for ( i = 0, dlip = (dynlist_info_t **)&dlg->dlg_dli;
i < c->valx; i++ )
{
if ( *dlip == NULL ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
DYNLIST_USAGE
"invalid index {%d}\n",
c->valx );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
rc = 1;
goto done_uri;
}
dlip = &(*dlip)->dli_next;
}
dli_next = *dlip;
} else {
for ( dlip = (dynlist_info_t **)&dlg->dlg_dli;
*dlip; dlip = &(*dlip)->dli_next )
/* goto last */;
}
*dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
(*dlip)->dli_oc = oc;
(*dlip)->dli_ad = ad;
(*dlip)->dli_dlm = dlm;
(*dlip)->dli_next = dli_next;
(*dlip)->dli_lud = lud;
(*dlip)->dli_uri_nbase = nbase;
(*dlip)->dli_uri_filter = filter;
(*dlip)->dli_uri = uri;
rc = dynlist_build_def_filter( *dlip );
} break;
case DL_ATTRPAIR_COMPAT:
snprintf( c->cr_msg, sizeof( c->cr_msg ),
"warning: \"attrpair\" only supported for limited "
"backward compatibility with overlay \"dyngroup\"" );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
/* fallthru */
case DL_ATTRPAIR: {
dynlist_info_t **dlip;
ObjectClass *oc = NULL;
AttributeDescription *ad = NULL,
*member_ad = NULL;
const char *text;
oc = oc_find( "groupOfURLs" );
if ( oc == NULL ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"unable to find default ObjectClass \"groupOfURLs\"" );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
return 1;
}
rc = slap_str2ad( c->argv[ 1 ], &member_ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"unable to find AttributeDescription \"%s\"",
c->argv[ 1 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
return 1;
}
rc = slap_str2ad( c->argv[ 2 ], &ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"unable to find AttributeDescription \"%s\"\n",
c->argv[ 2 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
return 1;
}
if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
DYNLIST_USAGE
"AttributeDescription \"%s\" "
"must be a subtype of \"labeledURI\"",
c->argv[ 2 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
return 1;
}
for ( dlip = (dynlist_info_t **)&dlg->dlg_dli;
*dlip; dlip = &(*dlip)->dli_next )
{
/*
* The same URL attribute / member attribute pair
* cannot be repeated, but we enforce this only
* when the member attribute is unique. Performing
* the check for multiple values would require
* sorting and comparing the lists, which is left
* as a future improvement
*/
if ( (*dlip)->dli_ad == ad &&
(*dlip)->dli_dlm->dlm_next == NULL &&
member_ad == (*dlip)->dli_dlm->dlm_member_ad ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"URL attributeDescription \"%s\" already mapped.\n",
ad->ad_cname.bv_val );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->cr_msg );
#if 0
/* make it a warning... */
return 1;
#endif
}
}
*dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
(*dlip)->dli_oc = oc;
(*dlip)->dli_ad = ad;
(*dlip)->dli_dlm = (dynlist_map_t *)ch_calloc( 1, sizeof( dynlist_map_t ) );
(*dlip)->dli_dlm->dlm_member_ad = member_ad;
(*dlip)->dli_dlm->dlm_mapped_ad = NULL;
rc = dynlist_build_def_filter( *dlip );
} break;
default:
rc = 1;
break;
}
return rc;
}
static int
dynlist_db_init(
BackendDB *be,
ConfigReply *cr)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
dynlist_gen_t *dlg;
dlg = (dynlist_gen_t *)ch_malloc( sizeof( *dlg ));
on->on_bi.bi_private = dlg;
dlg->dlg_dli = NULL;
dlg->dlg_memberOf = 0;
return 0;
}
static int
dynlist_db_open(
BackendDB *be,
ConfigReply *cr )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
dynlist_gen_t *dlg = (dynlist_gen_t *)on->on_bi.bi_private;
dynlist_info_t *dli = dlg->dlg_dli;
ObjectClass *oc = NULL;
AttributeDescription *ad = NULL;
const char *text;
int rc;
if ( dli == NULL ) {
dli = ch_calloc( 1, sizeof( dynlist_info_t ) );
dlg->dlg_dli = dli;
}
for ( ; dli; dli = dli->dli_next ) {
if ( dli->dli_oc == NULL ) {
if ( oc == NULL ) {
oc = oc_find( "groupOfURLs" );
if ( oc == NULL ) {
snprintf( cr->msg, sizeof( cr->msg),
"unable to fetch objectClass \"groupOfURLs\"" );
Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s.\n", cr->msg );
return 1;
}
}
dli->dli_oc = oc;
}
if ( dli->dli_ad == NULL ) {
if ( ad == NULL ) {
rc = slap_str2ad( "memberURL", &ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( cr->msg, sizeof( cr->msg),
"unable to fetch attributeDescription \"memberURL\": %d (%s)",
rc, text );
Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s.\n", cr->msg );
return 1;
}
}
dli->dli_ad = ad;
}
if ( BER_BVISNULL( &dli->dli_default_filter ) ) {
rc = dynlist_build_def_filter( dli );
if ( rc != 0 ) {
return rc;
}
}
}
if ( ad_dgIdentity == NULL ) {
rc = slap_str2ad( "dgIdentity", &ad_dgIdentity, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( cr->msg, sizeof( cr->msg),
"unable to fetch attributeDescription \"dgIdentity\": %d (%s)",
rc, text );
Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s\n", cr->msg );
/* Just a warning */
}
}
if ( ad_dgAuthz == NULL ) {
rc = slap_str2ad( "dgAuthz", &ad_dgAuthz, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( cr->msg, sizeof( cr->msg),
"unable to fetch attributeDescription \"dgAuthz\": %d (%s)",
rc, text );
Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s\n", cr->msg );
/* Just a warning */
}
}
return 0;
}
static int
dynlist_db_destroy(
BackendDB *be,
ConfigReply *cr )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
if ( on->on_bi.bi_private ) {
dynlist_gen_t *dlg = (dynlist_gen_t *)on->on_bi.bi_private;
dynlist_info_t *dli = dlg->dlg_dli,
*dli_next;
for ( dli_next = dli; dli_next; dli = dli_next ) {
dynlist_map_t *dlm;
dynlist_map_t *dlm_next;
dli_next = dli->dli_next;
if ( !BER_BVISNULL( &dli->dli_uri ) ) {
ch_free( dli->dli_uri.bv_val );
}
if ( dli->dli_lud != NULL ) {
ldap_free_urldesc( dli->dli_lud );
}
if ( !BER_BVISNULL( &dli->dli_uri_nbase ) ) {
ber_memfree( dli->dli_uri_nbase.bv_val );
}
if ( dli->dli_uri_filter != NULL ) {
filter_free( dli->dli_uri_filter );
}
ch_free( dli->dli_default_filter.bv_val );
dlm = dli->dli_dlm;
while ( dlm != NULL ) {
dlm_next = dlm->dlm_next;
ch_free( dlm );
dlm = dlm_next;
}
ch_free( dli );
}
ch_free( dlg );
}
return 0;
}
static slap_overinst dynlist = { { NULL } };
#ifdef TAKEOVER_DYNGROUP
static char *obsolete_names[] = {
"dyngroup",
NULL
};
#endif
#if SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC
static
#endif /* SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC */
int
dynlist_initialize(void)
{
int rc = 0;
dynlist.on_bi.bi_type = "dynlist";
#ifdef TAKEOVER_DYNGROUP
/* makes dynlist incompatible with dyngroup */
dynlist.on_bi.bi_obsolete_names = obsolete_names;
#endif
dynlist.on_bi.bi_db_init = dynlist_db_init;
dynlist.on_bi.bi_db_config = config_generic_wrapper;
dynlist.on_bi.bi_db_open = dynlist_db_open;
dynlist.on_bi.bi_db_destroy = dynlist_db_destroy;
dynlist.on_bi.bi_op_search = dynlist_search;
dynlist.on_bi.bi_op_compare = dynlist_compare;
dynlist.on_bi.bi_cf_ocs = dlocs;
rc = config_register_schema( dlcfg, dlocs );
if ( rc ) {
return rc;
}
return overlay_register( &dynlist );
}
#if SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC
int
init_module( int argc, char *argv[] )
{
return dynlist_initialize();
}
#endif
#endif /* SLAPD_OVER_DYNLIST */
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